Towel bar support



FIG. 1 is a front view of a towel bar support showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is an elevational view thereof; and,

FIG. 8 is a perspective view thereof, the broken-line dislosure of the second support and the towel bar are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a towel bar support, as shown and described. 